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最佳答案：据分析，烟草中大约含有一千二百多种化合物，其中大部分对人体有毒，特别是尼古丁，危害尤大。一支香烟里的尼古丁，可以毒死一支老鼠，20支香烟里的尼古丁能够毒死一头牛
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最佳答案：Smoking is hazardous to health is well known fact..Different cigarette ignited b
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最佳答案：danger! smoking may take your life.
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最佳答案：Smoking causes many illnesses. A lot of people always cough because of smoking.
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最佳答案：不对,短语是 do harm to可以说成：Smoking does (great) harm to our health.
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最佳答案：As we all known smoking is harmful to your health
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最佳答案：抽烟有害健康请放弃吸烟Smoking is bad for your health,please give up smoking
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最佳答案：people normally admituses traditional chinese methodtake turns to look after
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最佳答案：Health(By Kaiser3344)Health is far more important than wealth and wisdom.Good he
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最佳答案：Human are aware of that smoking is harmful to health.